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Finding the Fourth Proportional to 153,376.88, 230,077.63 and 53,534.87

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Solution

The fourth proportional to 153,376.88, 230,077.63 and 53,534.87 is: 80,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,376.88 : 230,077.63 = 53,534.87 : x
  2. Step 2: Convert to fraction form
    153,376.88/230,077.63 = 53,534.87/x
  3. Step 3: Cross multiply
    153,376.88x = 230,077.63 × 53,534.87
  4. Step 4: Simplify right side
    153,376.88x = 12,317,174,727.73
  5. Step 5: Solve for x
    x = 12,317,174,727.73/153,376.88
  6. Step 6: Final answer
    x = 80,306.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.